A group of nine PhD students from the Department of Earth and Environmental Sciences at Columbia University has just arrived in Exuma, The Bahamas, for a week-long field trip.
Earth Sciences
Jun 8, 2015
0
25
As the ocean absorbs atmospheric carbon dioxide (CO2) released by the burning of fossil fuels, its chemistry is changing. The CO2 reacts with water molecules, lowering the ocean's pH in a process known as ocean acidification. ...
Environment
Jun 5, 2015
2
294
When carbonate samples from One Tree Reef in southern Great Barrier Reef arrived at ANSTO for radiocarbon dating, Principle Research Scientist Quan Hua was confident they could accurately determine the age of the marine material.
Earth Sciences
Apr 7, 2015
0
18
A University of Colorado Boulder study shows a ubiquitous type of phytoplankton—tiny organisms that are the base of the marine food web - appears to be suffering from the effects of ocean acidification caused by climate ...
Environment
Mar 25, 2015
56
59
In nacre, layer lattices of inorganic calcium carbonate alternate with layers of organic material. Chitin, collagen and various proteins ensure that the calcium carbonate grows in these defined layers. What role the proteins ...
Materials Science
Mar 13, 2015
0
11
For almost a century, scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans: Why does calcium carbonate, the tough material of seashells and corals, sometimes take the form of calcite, ...
Condensed Matter
Mar 3, 2015
2
673
The blue-rayed limpet is a tiny mollusk that lives in kelp beds along the coasts of Norway, Iceland, the United Kingdom, Portugal, and the Canary Islands. These diminutive organisms—as small as a fingernail—might escape ...
General Physics
Feb 26, 2015
0
37
Nature packs away carbon in chalk, shells and rocks made by marine organisms that crystallize calcium carbonate. Now, research suggests that the soft, organic scaffolds in which such crystals form guide crystallization by ...
Materials Science
Jan 26, 2015
0
659
In order to cut down fewer trees and avoid wasting water, a group of young Mexicans designed a system that converts used PET bottles into mineral paper or peta paper, which is biodegradable and meets quality standards required ...
Engineering
Jan 15, 2015
1
17
The world's mussel population could be under threat as climate change causes oceans to become increasingly acidic, scientists have discovered.
Ecology
Dec 24, 2014
2
1
